<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
</head>
<style>
    input[type="radio"]{background: #ffd700;border-color:#ffd700 ;border-width:10px;border-style: solid;
        outline-width:10px;outline-color:red;outline-style: solid;outline-offset: 0px;}
</style>
<body>
<input type="radio"/>
</body>
</html>